TY  - BOOK
AU  - Ravallion, Martin
AU  - Lokshin, Michael
TI  - Searching for the economic gradient in self-assessed health
T2  - World Bank policy research working papers
AV  - IBRD(08) 
PY  - 2005///
CY  - Washington, D. C.
PB  - World Bank
KW  - HEALTH
KW  - SELF-ASSESSED HEALTH--RESEARCH--RUSSIA
ER  -